Casing for transformer



FIG. 1 is a perspective view of a casing for transformer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an elevational view of the side opposite to FIG. 3;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear elevational view thereof. 

The ornamental design for a casing for transformer, as shown and described. 